Miscellaneous .......................................................................................161Changing the Remote Control Batteries .....................................................................161Cleaning the Unit ...........................................................................................................162Input ......................................................................................................163Inputting Letters and Numbers ....................................................................................163Additional Information .........................................................................176Troubleshooting ............................................................................................................176Basic Operation ............................................................................................................176Audio ............................................................................................................................182System Settings ...........................................................................................................184If These Messages Appear ..........................................................................................184Registration Page of KX-VC Series NAT Traversal Service ........................................190KX-VC Series NAT Traversal Service for this Device ..................................................191If a message from the KX-VC Series NAT Traversal Service is displayed ..................192Specifications .......................................................................................194System Specifications ..................................................................................................194Index............................................................................................................19710 User Manual Document Version 2015-12Table of Contents